Polycarbonate containing diphenyl carbonate and sheets made therefrom

US6858303B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rudiger Gorny · Dorpsstraat, US
• Siegfried Anders · Recklinghausen, DE
• Wolfgang Nising · Sankt Augustin, DE
• Heidemarie Pantke · Ratingen, DE
• James P. Mason · Robinson Township, US
• Melanie Mothrath · Mülheim an der Ruhr, DE

Key dates

• Filing date: Oct 7, 2003
• Grant date: Feb 22, 2005
• Expiry date: Oct 7, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31507
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A thermoplastic molding composition comprising polycarbonate and 50 ppm to 300 ppm, in relation to the weight of the composition, of diphenyl carbonate is disclosed. The composition is especially suitable for the preparation of extruded sheets, in particular coextruded.